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b7943f00 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | ||
17 | //************************************************************************* | |
18 | // Class for flat cables | |
19 | // | |
20 | // Ludovic Gaudichet gaudichet@to.infn.it | |
21 | //************************************************************************* | |
22 | ||
23 | ||
24 | ||
25 | // General Root includes | |
26 | //#include <Riostream.h> | |
27 | #include <TMath.h> | |
28 | #include <TVectorD.h> | |
29 | ||
30 | // Root Geometry includes | |
31 | #include <TGeoManager.h> | |
32 | #include <TGeoVolume.h> | |
33 | #include <TGeoArb8.h> | |
7a82301d | 34 | #include <TGeoTube.h> |
b7943f00 | 35 | #include <TGeoMatrix.h> |
36 | #include <TGeoNode.h> | |
37 | ||
38 | #include "AliITSv11GeomCableFlat.h" | |
39 | ||
40 | ||
41 | ClassImp(AliITSv11GeomCableFlat) | |
42 | ||
43 | //________________________________________________________________________ | |
33ddec7d | 44 | AliITSv11GeomCableFlat::AliITSv11GeomCableFlat(): |
45 | AliITSv11GeomCable(), | |
46 | fWidth(0), | |
47 | fThick(0), | |
48 | fNlayer(0) | |
b7943f00 | 49 | { |
50 | // constructor | |
b7943f00 | 51 | for (Int_t i=0; i<fgkCableMaxLayer ; i++) { |
52 | fLayThickness[i] = 0; | |
53 | fTranslation[i] = 0; | |
54 | fLayColor[i] = 0; | |
55 | fLayMedia[i] = 0; | |
56 | }; | |
5d7a6c6d | 57 | } |
b7943f00 | 58 | |
59 | //________________________________________________________________________ | |
60 | AliITSv11GeomCableFlat:: | |
61 | AliITSv11GeomCableFlat(const char* name, Double_t width, Double_t thick) : | |
33ddec7d | 62 | AliITSv11GeomCable(name), |
63 | fWidth(width), | |
64 | fThick(thick), | |
65 | fNlayer(0) | |
66 | { | |
b7943f00 | 67 | // standard constructor |
b7943f00 | 68 | for (Int_t i=0; i<fgkCableMaxLayer ; i++) { |
69 | fLayThickness[i] = 0; | |
70 | fTranslation[i] = 0; | |
71 | fLayColor[i] = 0; | |
72 | fLayMedia[i] = 0; | |
73 | }; | |
5d7a6c6d | 74 | } |
b7943f00 | 75 | |
76 | //________________________________________________________________________ | |
77 | AliITSv11GeomCableFlat::AliITSv11GeomCableFlat(const AliITSv11GeomCableFlat &s) : | |
78 | AliITSv11GeomCable(s),fWidth(s.fWidth),fThick(s.fThick),fNlayer(s.fNlayer) | |
79 | { | |
80 | // Copy Constructor | |
81 | for (Int_t i=0; i<s.fNlayer; i++) { | |
82 | fLayThickness[i] = s.fLayThickness[i]; | |
83 | fTranslation[i] = s.fTranslation[i]; | |
84 | fLayMedia[i] = s.fLayMedia[i]; | |
85 | fLayColor[i] = s.fLayColor[i]; | |
86 | } | |
87 | } | |
88 | ||
89 | //________________________________________________________________________ | |
90 | AliITSv11GeomCableFlat& AliITSv11GeomCableFlat:: | |
91 | operator=(const AliITSv11GeomCableFlat &s) { | |
92 | // Assignment operator | |
93 | // Not fully inplemented yet !!! | |
94 | ||
95 | if(&s == this) return *this; | |
96 | *this = s; | |
97 | fWidth = s.fWidth; | |
98 | fThick = s.fThick; | |
99 | fNlayer = s.fNlayer; | |
100 | for (Int_t i=0; i<s.fNlayer; i++) { | |
101 | fLayThickness[i] = s.fLayThickness[i]; | |
102 | fTranslation[i] = s.fTranslation[i]; | |
103 | fLayMedia[i] = s.fLayMedia[i]; | |
104 | fLayColor[i] = s.fLayColor[i]; | |
105 | }; | |
106 | return *this; | |
107 | } | |
108 | ||
109 | //________________________________________________________________________ | |
110 | Int_t AliITSv11GeomCableFlat::GetPoint( Int_t iCheckPt, Double_t *coord) | |
111 | const { | |
112 | // Get the correct point #iCheckPt | |
113 | TVectorD *coordVector =(TVectorD *)fPointArray.At(2*iCheckPt); | |
114 | if (coordVector) { | |
5d7a6c6d | 115 | #if ROOT_VERSION_CODE < ROOT_VERSION(4,0,0) |
116 | CopyFrom(coord, coordVector->GetElements()); | |
117 | #else | |
b7943f00 | 118 | CopyFrom(coord, coordVector->GetMatrixArray()); |
5d7a6c6d | 119 | #endif |
b7943f00 | 120 | return kTRUE; |
121 | } else { | |
122 | return kFALSE; | |
123 | }; | |
5d7a6c6d | 124 | } |
b7943f00 | 125 | |
126 | ||
127 | //________________________________________________________________________ | |
128 | Int_t AliITSv11GeomCableFlat::GetVect( Int_t iCheckPt, Double_t *coord) | |
129 | const { | |
130 | // Get the correct vect corresponding to point #iCheckPt | |
131 | ||
132 | TVectorD *coordVector =(TVectorD *)fPointArray.At(2*iCheckPt+1); | |
133 | if (coordVector) { | |
5d7a6c6d | 134 | #if ROOT_VERSION_CODE < ROOT_VERSION(4,0,0) |
135 | CopyFrom(coord, coordVector->GetElements()); | |
136 | #else | |
b7943f00 | 137 | CopyFrom(coord, coordVector->GetMatrixArray()); |
5d7a6c6d | 138 | #endif |
b7943f00 | 139 | return kTRUE; |
140 | } else { | |
141 | return kFALSE; | |
142 | }; | |
5d7a6c6d | 143 | } |
b7943f00 | 144 | |
145 | ||
146 | //________________________________________________________________________ | |
147 | void AliITSv11GeomCableFlat::AddCheckPoint( TGeoVolume *vol, Int_t iCheckPt, | |
148 | Double_t *coord, Double_t *orthVect) | |
149 | { | |
150 | // | |
151 | // Add a check point. In the fPointArray, the point is at i and its vector | |
152 | // is at i+1. | |
153 | // | |
154 | ||
155 | // if (iCheckPt>=fVolumeArray.GetEntriesFast()) { | |
156 | // fVolumeArray.AddLast(vol); | |
157 | // TVectorD *point = new TVectorD(3,coord); | |
158 | // TVectorD *vect = new TVectorD(3,orthVect); | |
159 | // fPointArray.AddLast(point); | |
160 | // fPointArray.AddLast(vect); | |
161 | ||
162 | // } else if ((iCheckPt >= 0)&&(iCheckPt < fVolumeArray.GetEntriesFast())) { | |
163 | // fVolumeArray.AddAt(vol, iCheckPt); | |
164 | // TVectorD *point = new TVectorD(3,coord); | |
165 | // TVectorD *vect = new TVectorD(3,orthVect); | |
166 | // fPointArray.AddAt(point, iCheckPt*2 ); | |
167 | // fPointArray.AddAt(vect, iCheckPt*2+1); | |
168 | // }; | |
169 | fVolumeArray.AddAtAndExpand(vol, iCheckPt); | |
170 | TVectorD *point = new TVectorD(3,coord); | |
171 | TVectorD *vect = new TVectorD(3,orthVect); | |
172 | fPointArray.AddAtAndExpand(point, iCheckPt*2 ); | |
173 | fPointArray.AddAtAndExpand(vect, iCheckPt*2+1); | |
5d7a6c6d | 174 | } |
b7943f00 | 175 | |
176 | //________________________________________________________________________ | |
177 | void AliITSv11GeomCableFlat::PrintCheckPoints() const { | |
178 | // print all check points of the cable | |
179 | printf(" ---\n Printing all check points of the flat cable\n"); | |
180 | for (Int_t i = 0; i<fVolumeArray.GetEntriesFast(); i++) { | |
181 | Double_t coord[3]; | |
182 | if (GetPoint( i, coord)) | |
183 | printf(" ( %.2f, %.2f, %.2f )\n", coord[0], coord[1], coord[2]); | |
184 | }; | |
5d7a6c6d | 185 | } |
b7943f00 | 186 | |
187 | //________________________________________________________________________ | |
7a82301d | 188 | TGeoVolume* AliITSv11GeomCableFlat::CreateAndInsertCableSegment(Int_t p2, |
108bd0fe | 189 | Double_t rotation, |
190 | TGeoCombiTrans** ct) | |
b7943f00 | 191 | { |
192 | // Creates a cable segment between points p1 and p2. | |
193 | // Rotation is the eventual rotation of the flat cable | |
194 | // along its length axis | |
195 | // | |
196 | // The segment volume is created inside the volume containing point2 | |
197 | // Therefore this segment should be defined in this volume only. | |
198 | // I mean here that, if the previous point is in another volume, | |
199 | // it should be just at the border between the 2 volumes. Also the | |
200 | // orientation vector of the previous point should be orthogonal to | |
201 | // the surface between the 2 volumes. | |
202 | ||
203 | TGeoNode *mainNode; | |
204 | if (fInitialNode==0) { | |
205 | TObjArray *nodes = gGeoManager->GetListOfNodes(); | |
7a82301d | 206 | if (nodes->GetEntriesFast()==0) return 0; |
b7943f00 | 207 | mainNode = (TGeoNode *) nodes->UncheckedAt(0); |
208 | } else { | |
209 | mainNode = fInitialNode; | |
210 | }; | |
211 | ||
212 | Int_t p1 = p2 - 1; | |
213 | TGeoVolume *p2Vol = GetVolume(p2); | |
214 | TGeoVolume *p1Vol = GetVolume(p1); | |
215 | ||
216 | ResetCheckDaughter(); | |
217 | fCurrentVol = p1Vol; | |
218 | if (! CheckDaughter(mainNode)) { | |
219 | printf("Error::volume containing point is not visible in node tree!\n"); | |
7a82301d | 220 | return 0; |
b7943f00 | 221 | }; |
222 | ||
223 | Double_t coord1[3], coord2[3], vect1[3], vect2[3]; | |
224 | //================================================= | |
225 | // Get p1 position in the systeme of p2 | |
226 | if (p1Vol!=p2Vol) { | |
227 | ||
228 | Int_t p1nodeInd[fgkCableMaxNodeLevel]; | |
229 | for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p1nodeInd[i]=fNodeInd[i]; | |
230 | Int_t p1volLevel = 0; | |
231 | while (p1nodeInd[p1volLevel]!=-1) p1volLevel++; | |
232 | p1volLevel--; | |
233 | ||
234 | ResetCheckDaughter(); | |
235 | fCurrentVol = p2Vol; | |
236 | if (! CheckDaughter(mainNode)) { | |
237 | printf("Error::volume containing point is not visible in node tree!\n"); | |
7a82301d | 238 | return 0; |
b7943f00 | 239 | }; |
240 | Int_t p2nodeInd[fgkCableMaxNodeLevel]; | |
241 | for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p2nodeInd[i]=fNodeInd[i]; | |
242 | Int_t commonMotherLevel = 0; | |
243 | while (p1nodeInd[commonMotherLevel]==fNodeInd[commonMotherLevel]) | |
244 | commonMotherLevel++; | |
245 | commonMotherLevel--; | |
246 | Int_t p2volLevel = 0; | |
247 | while (fNodeInd[p2volLevel]!=-1) p2volLevel++; | |
248 | p2volLevel--; | |
249 | ||
250 | // Get coord and vect of p1 in the common mother reference system | |
251 | if (! GetCheckPoint(p1, 0, p1volLevel-commonMotherLevel, coord1) ) | |
7a82301d | 252 | return 0; |
b7943f00 | 253 | if (! GetCheckVect( p1, 0, p1volLevel-commonMotherLevel, vect1) ) |
7a82301d | 254 | return 0; |
b7943f00 | 255 | |
256 | // Translate them in the reference system of the volume containing p2 | |
257 | TGeoNode *pathNode[fgkCableMaxNodeLevel]; | |
258 | pathNode[0] = mainNode; | |
259 | for (Int_t i=0; i<=p2volLevel; i++) { | |
260 | pathNode[i+1] = pathNode[i]->GetDaughter(p2nodeInd[i]); | |
261 | }; | |
262 | Double_t globalCoord1[3] = {coord1[0], coord1[1], coord1[2]}; | |
263 | Double_t globalVect1[3] = {vect1[0], vect1[1], vect1[2]}; | |
264 | ||
265 | for (Int_t i = commonMotherLevel+1; i <= p2volLevel; i++) { | |
266 | pathNode[i+1]->GetMatrix()->MasterToLocal(globalCoord1, coord1); | |
267 | pathNode[i+1]->GetMatrix()->MasterToLocalVect(globalVect1, vect1); | |
268 | CopyFrom(globalCoord1, coord1); | |
269 | CopyFrom(globalVect1, vect1); | |
270 | }; | |
271 | } else { | |
7a82301d | 272 | if (! GetCheckPoint(p1, 0, 0, coord1) ) return 0; |
273 | if (! GetCheckVect(p1, 0, 0, vect1) ) return 0; | |
b7943f00 | 274 | }; |
275 | ||
276 | //================================================= | |
277 | // Get p2 position in the systeme of p2 | |
7a82301d | 278 | if (! GetCheckPoint(p2, 0, 0, coord2) ) return 0; |
279 | if (! GetCheckVect(p2, 0, 0, vect2) ) return 0; | |
b7943f00 | 280 | |
281 | Double_t cx = (coord1[0]+coord2[0])/2; | |
282 | Double_t cy = (coord1[1]+coord2[1])/2; | |
283 | Double_t cz = (coord1[2]+coord2[2])/2; | |
284 | Double_t dx = coord2[0]-coord1[0]; | |
285 | Double_t dy = coord2[1]-coord1[1]; | |
286 | Double_t dz = coord2[2]-coord1[2]; | |
287 | ||
288 | //================================================= | |
289 | // Positionning of the segment between the 2 points | |
290 | if (TMath::Abs(dy)<1e-231) dy = 1e-231; | |
291 | if (TMath::Abs(dz)<1e-231) dz = 1e-231; | |
292 | //Double_t angleRot1 = -TMath::ATan(dx/dy); | |
293 | //Double_t planDiagL = -TMath::Sqrt(dy*dy+dx*dx); | |
294 | //if (dy<0) planDiagL = -planDiagL; | |
295 | //Double_t angleRotDiag = TMath::ATan(planDiagL/dz); | |
296 | ||
297 | Double_t angleRot1 = -TMath::ATan2(dx,dy); | |
298 | Double_t planDiagL = TMath::Sqrt(dy*dy+dx*dx); | |
299 | Double_t angleRotDiag = -TMath::ATan2(planDiagL,dz); | |
300 | //--- (Calculate rotation of segment on the Z axis) | |
301 | //-- Here I'm trying to calculate the rotation to be applied in | |
302 | //-- order to match as closer as possible this segment and the | |
303 | //-- previous one. | |
304 | //-- It seems that some times it doesn't work ... | |
305 | Double_t angleRotZ = 0; | |
306 | TGeoRotation rotTemp("",angleRot1*TMath::RadToDeg(), | |
307 | angleRotDiag*TMath::RadToDeg(), rotation); | |
308 | Double_t localX[3] = {0,1,0}; | |
309 | Double_t globalX[3]; | |
310 | rotTemp.LocalToMasterVect(localX, globalX); | |
311 | CopyFrom(localX, globalX); | |
312 | GetCheckVect(localX, p2Vol, 0, fgkCableMaxNodeLevel+1, globalX); | |
313 | Double_t orthVect[3]; | |
314 | GetCheckVect(vect1, p2Vol, 0, fgkCableMaxNodeLevel+1, orthVect); | |
315 | if (p2>1) { | |
316 | Double_t orthVectNorm2 = ScalProd(orthVect,orthVect); | |
317 | Double_t alpha1 = ScalProd(fPreviousX,orthVect)/orthVectNorm2; | |
318 | Double_t alpha2 = ScalProd(globalX,orthVect)/orthVectNorm2; | |
319 | Double_t globalX1p[3], globalX2p[3]; | |
320 | globalX1p[0] = fPreviousX[0] - alpha1*orthVect[0]; | |
321 | globalX1p[1] = fPreviousX[1] - alpha1*orthVect[1]; | |
322 | globalX1p[2] = fPreviousX[2] - alpha1*orthVect[2]; | |
323 | globalX2p[0] = globalX[0] - alpha2*orthVect[0]; | |
324 | globalX2p[1] = globalX[1] - alpha2*orthVect[1]; | |
325 | globalX2p[2] = globalX[2] - alpha2*orthVect[2]; | |
326 | //-- now I'm searching the 3th vect which makes an orthogonal base | |
327 | //-- with orthVect and globalX1p ... | |
328 | Double_t nulVect[3] = {0,0,0}; | |
329 | Double_t axis3[3]; | |
330 | TMath::Normal2Plane(nulVect, orthVect, globalX1p, axis3); | |
331 | Double_t globalX1pNorm2 = ScalProd(globalX1p, globalX1p); | |
332 | Double_t beta = ScalProd(globalX2p, globalX1p)/globalX1pNorm2; | |
333 | Double_t gamma = ScalProd(globalX2p, axis3); | |
334 | angleRotZ = (TMath::ATan2(1,0) - TMath::ATan2(beta, gamma)) | |
335 | *TMath::RadToDeg(); | |
336 | }; | |
337 | // cout << "!!!!!!!!!!!!!!!!!!! angle = " <<angleRotZ << endl; | |
338 | CopyFrom(fPreviousX, globalX); | |
339 | //--- | |
340 | Double_t localVect1[3], localVect2[3]; | |
341 | TGeoRotation rot("",angleRot1*TMath::RadToDeg(), | |
342 | angleRotDiag*TMath::RadToDeg(), | |
343 | rotation); | |
344 | // rotation-angleRotZ); | |
345 | // since angleRotZ doesn't always work, I won't use it ... | |
346 | ||
347 | rot.MasterToLocalVect(vect1, localVect1); | |
348 | rot.MasterToLocalVect(vect2, localVect2); | |
349 | ||
350 | //================================================= | |
351 | // Create the segment and add it to the mother volume | |
352 | TGeoVolume *vCableSegB = CreateSegment(coord1, coord2, | |
353 | localVect1, localVect2); | |
7a82301d | 354 | // TGeoVolume *vCableSegB = CreateBoxSegment(coord1, coord2); |
b7943f00 | 355 | |
356 | TGeoRotation rotArbSeg("", 0, 90, 0); | |
357 | rotArbSeg.MultiplyBy(&rot, kFALSE); | |
358 | TGeoTranslation trans("",cx, cy, cz); | |
359 | TGeoCombiTrans *combiB = new TGeoCombiTrans(trans, rotArbSeg); | |
360 | p2Vol->AddNode(vCableSegB, p2, combiB); | |
361 | //=================================================; | |
362 | ||
363 | if (fDebug) { | |
364 | printf("---\n Cable segment points : "); | |
365 | printf("%f, %f, %f\n",coord1[0], coord1[1], coord1[2]); | |
366 | printf("%f, %f, %f\n",coord2[0], coord2[1], coord2[2]); | |
367 | }; | |
368 | ||
369 | // #include <TGeoSphere.h> | |
108bd0fe | 370 | // TGeoMedium *airSDD = gGeoManager->GetMedium("ITS_AIR$"); |
b7943f00 | 371 | // TGeoSphere *sphere = new TGeoSphere(0, 0.05); |
372 | // TGeoVolume *vSphere = new TGeoVolume("", sphere, airSDD); | |
373 | // TGeoTranslation *trC = new TGeoTranslation("", cx, cy, cz); | |
374 | // TGeoTranslation *tr1 = new TGeoTranslation("",coord1[0], | |
375 | // coord1[1],coord1[2]); | |
376 | // TGeoTranslation *tr2 = new TGeoTranslation("",coord2[0], | |
377 | // coord2[1],coord2[2]); | |
378 | // p2Vol->AddNode(vSphere, p2*3-2, trC); | |
379 | // p2Vol->AddNode(vSphere, p2*3-1, tr1); | |
380 | // p2Vol->AddNode(vSphere, p2*3 , tr2); | |
108bd0fe | 381 | if (ct) *ct = combiB; |
7a82301d | 382 | return vCableSegB; |
383 | } | |
384 | ||
385 | //________________________________________________________________________ | |
386 | TGeoVolume* AliITSv11GeomCableFlat::CreateAndInsertBoxCableSegment(Int_t p2, | |
108bd0fe | 387 | Double_t rotation, |
388 | TGeoCombiTrans** ct) | |
7a82301d | 389 | { |
390 | // This function is to be use only when the segment has the shape | |
391 | // of a simple box, i.e. the normal vector to its end is perpendicular | |
392 | // to the segment own axis | |
393 | // Creates a cable segment between points p1 and p2. | |
394 | // Rotation is the eventual rotation of the flat cable | |
395 | // along its length axis | |
396 | // | |
397 | // The segment volume is created inside the volume containing point2 | |
398 | // Therefore this segment should be defined in this volume only. | |
399 | // I mean here that, if the previous point is in another volume, | |
400 | // it should be just at the border between the 2 volumes. Also the | |
401 | // orientation vector of the previous point should be orthogonal to | |
402 | // the surface between the 2 volumes. | |
403 | ||
404 | TGeoNode *mainNode; | |
405 | if (fInitialNode==0) { | |
406 | TObjArray *nodes = gGeoManager->GetListOfNodes(); | |
407 | if (nodes->GetEntriesFast()==0) return 0; | |
408 | mainNode = (TGeoNode *) nodes->UncheckedAt(0); | |
409 | } else { | |
410 | mainNode = fInitialNode; | |
411 | }; | |
412 | ||
413 | Int_t p1 = p2 - 1; | |
414 | TGeoVolume *p2Vol = GetVolume(p2); | |
415 | TGeoVolume *p1Vol = GetVolume(p1); | |
416 | ||
417 | ResetCheckDaughter(); | |
418 | fCurrentVol = p1Vol; | |
419 | if (! CheckDaughter(mainNode)) { | |
420 | printf("Error::volume containing point is not visible in node tree!\n"); | |
421 | return 0; | |
422 | }; | |
423 | ||
424 | Double_t coord1[3], coord2[3], vect1[3], vect2[3]; | |
425 | //================================================= | |
426 | // Get p1 position in the systeme of p2 | |
427 | if (p1Vol!=p2Vol) { | |
428 | ||
429 | Int_t p1nodeInd[fgkCableMaxNodeLevel]; | |
430 | for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p1nodeInd[i]=fNodeInd[i]; | |
431 | Int_t p1volLevel = 0; | |
432 | while (p1nodeInd[p1volLevel]!=-1) p1volLevel++; | |
433 | p1volLevel--; | |
434 | ||
435 | ResetCheckDaughter(); | |
436 | fCurrentVol = p2Vol; | |
437 | if (! CheckDaughter(mainNode)) { | |
438 | printf("Error::volume containing point is not visible in node tree!\n"); | |
439 | return 0; | |
440 | }; | |
441 | Int_t p2nodeInd[fgkCableMaxNodeLevel]; | |
442 | for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p2nodeInd[i]=fNodeInd[i]; | |
443 | Int_t commonMotherLevel = 0; | |
444 | while (p1nodeInd[commonMotherLevel]==fNodeInd[commonMotherLevel]) | |
445 | commonMotherLevel++; | |
446 | commonMotherLevel--; | |
447 | Int_t p2volLevel = 0; | |
448 | while (fNodeInd[p2volLevel]!=-1) p2volLevel++; | |
449 | p2volLevel--; | |
450 | ||
451 | // Get coord and vect of p1 in the common mother reference system | |
452 | if (! GetCheckPoint(p1, 0, p1volLevel-commonMotherLevel, coord1) ) | |
453 | return 0; | |
454 | if (! GetCheckVect( p1, 0, p1volLevel-commonMotherLevel, vect1) ) | |
455 | return 0; | |
456 | ||
457 | // Translate them in the reference system of the volume containing p2 | |
458 | TGeoNode *pathNode[fgkCableMaxNodeLevel]; | |
459 | pathNode[0] = mainNode; | |
460 | for (Int_t i=0; i<=p2volLevel; i++) { | |
461 | pathNode[i+1] = pathNode[i]->GetDaughter(p2nodeInd[i]); | |
462 | }; | |
463 | Double_t globalCoord1[3] = {coord1[0], coord1[1], coord1[2]}; | |
464 | Double_t globalVect1[3] = {vect1[0], vect1[1], vect1[2]}; | |
465 | ||
466 | for (Int_t i = commonMotherLevel+1; i <= p2volLevel; i++) { | |
467 | pathNode[i+1]->GetMatrix()->MasterToLocal(globalCoord1, coord1); | |
468 | pathNode[i+1]->GetMatrix()->MasterToLocalVect(globalVect1, vect1); | |
469 | CopyFrom(globalCoord1, coord1); | |
470 | CopyFrom(globalVect1, vect1); | |
471 | }; | |
472 | } else { | |
473 | if (! GetCheckPoint(p1, 0, 0, coord1) ) return 0; | |
474 | if (! GetCheckVect(p1, 0, 0, vect1) ) return 0; | |
475 | }; | |
476 | ||
477 | //================================================= | |
478 | // Get p2 position in the systeme of p2 | |
479 | if (! GetCheckPoint(p2, 0, 0, coord2) ) return 0; | |
480 | if (! GetCheckVect(p2, 0, 0, vect2) ) return 0; | |
481 | ||
482 | Double_t cx = (coord1[0]+coord2[0])/2; | |
483 | Double_t cy = (coord1[1]+coord2[1])/2; | |
484 | Double_t cz = (coord1[2]+coord2[2])/2; | |
485 | Double_t dx = coord2[0]-coord1[0]; | |
486 | Double_t dy = coord2[1]-coord1[1]; | |
487 | Double_t dz = coord2[2]-coord1[2]; | |
488 | ||
489 | //================================================= | |
490 | // Positionning of the segment between the 2 points | |
491 | if (TMath::Abs(dy)<1e-231) dy = 1e-231; | |
492 | if (TMath::Abs(dz)<1e-231) dz = 1e-231; | |
493 | //Double_t angleRot1 = -TMath::ATan(dx/dy); | |
494 | //Double_t planDiagL = -TMath::Sqrt(dy*dy+dx*dx); | |
495 | //if (dy<0) planDiagL = -planDiagL; | |
496 | //Double_t angleRotDiag = TMath::ATan(planDiagL/dz); | |
497 | ||
498 | Double_t angleRot1 = -TMath::ATan2(dx,dy); | |
499 | Double_t planDiagL = TMath::Sqrt(dy*dy+dx*dx); | |
500 | Double_t angleRotDiag = -TMath::ATan2(planDiagL,dz); | |
501 | //--- (Calculate rotation of segment on the Z axis) | |
502 | //-- Here I'm trying to calculate the rotation to be applied in | |
503 | //-- order to match as closer as possible this segment and the | |
504 | //-- previous one. | |
505 | //-- It seems that some times it doesn't work ... | |
506 | Double_t angleRotZ = 0; | |
507 | TGeoRotation rotTemp("",angleRot1*TMath::RadToDeg(), | |
508 | angleRotDiag*TMath::RadToDeg(), rotation); | |
509 | Double_t localX[3] = {0,1,0}; | |
510 | Double_t globalX[3]; | |
511 | rotTemp.LocalToMasterVect(localX, globalX); | |
512 | CopyFrom(localX, globalX); | |
513 | GetCheckVect(localX, p2Vol, 0, fgkCableMaxNodeLevel+1, globalX); | |
514 | Double_t orthVect[3]; | |
515 | GetCheckVect(vect1, p2Vol, 0, fgkCableMaxNodeLevel+1, orthVect); | |
516 | if (p2>1) { | |
517 | Double_t orthVectNorm2 = ScalProd(orthVect,orthVect); | |
518 | Double_t alpha1 = ScalProd(fPreviousX,orthVect)/orthVectNorm2; | |
519 | Double_t alpha2 = ScalProd(globalX,orthVect)/orthVectNorm2; | |
520 | Double_t globalX1p[3], globalX2p[3]; | |
521 | globalX1p[0] = fPreviousX[0] - alpha1*orthVect[0]; | |
522 | globalX1p[1] = fPreviousX[1] - alpha1*orthVect[1]; | |
523 | globalX1p[2] = fPreviousX[2] - alpha1*orthVect[2]; | |
524 | globalX2p[0] = globalX[0] - alpha2*orthVect[0]; | |
525 | globalX2p[1] = globalX[1] - alpha2*orthVect[1]; | |
526 | globalX2p[2] = globalX[2] - alpha2*orthVect[2]; | |
527 | //-- now I'm searching the 3th vect which makes an orthogonal base | |
528 | //-- with orthVect and globalX1p ... | |
529 | Double_t nulVect[3] = {0,0,0}; | |
530 | Double_t axis3[3]; | |
531 | TMath::Normal2Plane(nulVect, orthVect, globalX1p, axis3); | |
532 | Double_t globalX1pNorm2 = ScalProd(globalX1p, globalX1p); | |
533 | Double_t beta = ScalProd(globalX2p, globalX1p)/globalX1pNorm2; | |
534 | Double_t gamma = ScalProd(globalX2p, axis3); | |
535 | angleRotZ = (TMath::ATan2(1,0) - TMath::ATan2(beta, gamma)) | |
536 | *TMath::RadToDeg(); | |
537 | }; | |
538 | // cout << "!!!!!!!!!!!!!!!!!!! angle = " <<angleRotZ << endl; | |
539 | CopyFrom(fPreviousX, globalX); | |
540 | //--- | |
541 | Double_t localVect1[3], localVect2[3]; | |
542 | TGeoRotation rot("",angleRot1*TMath::RadToDeg(), | |
543 | angleRotDiag*TMath::RadToDeg(), | |
544 | rotation); | |
545 | // rotation-angleRotZ); | |
546 | // since angleRotZ doesn't always work, I won't use it ... | |
547 | ||
548 | rot.MasterToLocalVect(vect1, localVect1); | |
549 | rot.MasterToLocalVect(vect2, localVect2); | |
550 | ||
551 | //================================================= | |
552 | // Create the segment and add it to the mother volume | |
553 | TGeoVolume *vCableSegB = CreateBoxSegment(coord1, coord2); | |
554 | ||
555 | TGeoRotation rotArbSeg("", 0, 90, 0); | |
556 | rotArbSeg.MultiplyBy(&rot, kFALSE); | |
557 | TGeoTranslation trans("",cx, cy, cz); | |
558 | TGeoCombiTrans *combiB = new TGeoCombiTrans(trans, rotArbSeg); | |
559 | p2Vol->AddNode(vCableSegB, p2, combiB); | |
560 | //=================================================; | |
561 | ||
562 | if (fDebug) { | |
563 | printf("---\n Cable segment points : "); | |
564 | printf("%f, %f, %f\n",coord1[0], coord1[1], coord1[2]); | |
565 | printf("%f, %f, %f\n",coord2[0], coord2[1], coord2[2]); | |
566 | }; | |
567 | ||
108bd0fe | 568 | if (ct) *ct = combiB; |
7a82301d | 569 | return vCableSegB; |
570 | } | |
571 | ||
572 | //________________________________________________________________________ | |
573 | TGeoVolume* AliITSv11GeomCableFlat::CreateAndInsertCableCylSegment(Int_t p2, | |
108bd0fe | 574 | Double_t rotation, |
575 | TGeoCombiTrans** ct) | |
7a82301d | 576 | { |
577 | // Create a flat cable segment with a curvature between points p1 and p2. | |
578 | // The radius and position of the curve is defined by the | |
579 | // perpendicular vector of point p2 (the orientation of this vector | |
580 | // and the position of the 2 check points are enough to completely | |
581 | // define the curve) | |
582 | // Rotation is the eventual rotation of the flat cable | |
583 | // along its length axis | |
584 | // | |
585 | ||
586 | TGeoNode *mainNode; | |
587 | if (fInitialNode==0) { | |
588 | TObjArray *nodes = gGeoManager->GetListOfNodes(); | |
589 | if (nodes->GetEntriesFast()==0) return 0; | |
590 | mainNode = (TGeoNode *) nodes->UncheckedAt(0); | |
591 | } else { | |
592 | mainNode = fInitialNode; | |
593 | }; | |
594 | ||
595 | Int_t p1 = p2 - 1; | |
596 | TGeoVolume *p1Vol = GetVolume(p1); | |
597 | TGeoVolume *p2Vol = GetVolume(p2); | |
598 | ||
599 | ResetCheckDaughter(); | |
600 | fCurrentVol = p1Vol; | |
601 | if (! CheckDaughter(mainNode)) { | |
602 | printf("Error::volume containing point is not visible in node tree!\n"); | |
603 | return 0; | |
604 | }; | |
605 | ||
606 | Double_t coord1[3], coord2[3], vect1[3], vect2[3]; | |
607 | //================================================= | |
608 | // Get p1 position in the systeme of p2 | |
609 | if (p1Vol!=p2Vol) { | |
610 | ||
611 | Int_t p1nodeInd[fgkCableMaxNodeLevel]; | |
612 | for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p1nodeInd[i]=fNodeInd[i]; | |
613 | Int_t p1volLevel = 0; | |
614 | while (p1nodeInd[p1volLevel]!=-1) p1volLevel++; | |
615 | p1volLevel--; | |
616 | ||
617 | ResetCheckDaughter(); | |
618 | fCurrentVol = p2Vol; | |
619 | if (! CheckDaughter(mainNode)) { | |
620 | printf("Error::volume containing point is not visible in node tree!\n"); | |
621 | return 0; | |
622 | }; | |
623 | Int_t p2nodeInd[fgkCableMaxNodeLevel]; | |
624 | for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p2nodeInd[i]=fNodeInd[i]; | |
625 | Int_t commonMotherLevel = 0; | |
626 | while (p1nodeInd[commonMotherLevel]==fNodeInd[commonMotherLevel]) | |
627 | commonMotherLevel++; | |
628 | commonMotherLevel--; | |
629 | Int_t p2volLevel = 0; | |
630 | while (fNodeInd[p2volLevel]!=-1) p2volLevel++; | |
631 | p2volLevel--; | |
632 | ||
633 | // Get coord and vect of p1 in the common mother reference system | |
634 | GetCheckPoint(p1, 0, p1volLevel-commonMotherLevel, coord1); | |
635 | GetCheckVect( p1, 0, p1volLevel-commonMotherLevel, vect1); | |
636 | // Translate them in the reference system of the volume containing p2 | |
637 | TGeoNode *pathNode[fgkCableMaxNodeLevel]; | |
638 | pathNode[0] = mainNode; | |
639 | for (Int_t i=0; i<=p2volLevel; i++) { | |
640 | pathNode[i+1] = pathNode[i]->GetDaughter(p2nodeInd[i]); | |
641 | }; | |
642 | Double_t globalCoord1[3] = {coord1[0], coord1[1], coord1[2]}; | |
643 | Double_t globalVect1[3] = {vect1[0], vect1[1], vect1[2]}; | |
644 | ||
645 | for (Int_t i = commonMotherLevel+1; i<=p2volLevel; i++) { | |
646 | pathNode[i+1]->GetMatrix()->MasterToLocal(globalCoord1, coord1); | |
647 | pathNode[i+1]->GetMatrix()->MasterToLocalVect(globalVect1, vect1); | |
648 | CopyFrom(globalCoord1, coord1); | |
649 | CopyFrom(globalVect1, vect1); | |
650 | }; | |
651 | } else { | |
652 | GetCheckPoint(p1, 0, 0, coord1); | |
653 | GetCheckVect(p1, 0, 0, vect1); | |
654 | }; | |
655 | ||
656 | //================================================= | |
657 | // Get p2 position in the systeme of p2 | |
658 | GetCheckPoint(p2, 0, 0, coord2); | |
659 | GetCheckVect(p2, 0, 0, vect2); | |
660 | ||
661 | Double_t cx = (coord1[0]+coord2[0])/2; | |
662 | Double_t cy = (coord1[1]+coord2[1])/2; | |
663 | Double_t cz = (coord1[2]+coord2[2])/2; | |
664 | Double_t dx = coord2[0]-coord1[0]; | |
665 | Double_t dy = coord2[1]-coord1[1]; | |
666 | Double_t dz = coord2[2]-coord1[2]; | |
667 | Double_t length = TMath::Sqrt(dx*dx+dy*dy+dz*dz); | |
668 | ||
669 | //================================================= | |
670 | // Positionning of the segment between the 2 points | |
671 | if ((dy<1e-31)&&(dy>0)) dy = 1e-31; | |
672 | if ((dz<1e-31)&&(dz>0)) dz = 1e-31; | |
673 | if ((dy>-1e-31)&&(dy<0)) dy = -1e-31; | |
674 | if ((dz>-1e-31)&&(dz<0)) dz = -1e-31; | |
675 | ||
676 | Double_t angleRot1 = -TMath::ATan2(dx,dy); | |
677 | Double_t planDiagL = TMath::Sqrt(dy*dy+dx*dx); | |
678 | Double_t angleRotDiag = -TMath::ATan2(planDiagL,dz); | |
679 | ||
680 | TGeoRotation rotTorusTemp("",angleRot1*TMath::RadToDeg(), | |
681 | angleRotDiag*TMath::RadToDeg(),0); | |
682 | TGeoRotation rotTorusToZ("",0,90,0); | |
683 | rotTorusTemp.MultiplyBy(&rotTorusToZ, kTRUE); | |
684 | Double_t localVect2[3]; | |
685 | rotTorusTemp.MasterToLocalVect(vect2, localVect2); | |
686 | if (localVect2[1]<0) { | |
687 | localVect2[0] = -localVect2[0]; | |
688 | localVect2[1] = -localVect2[1]; | |
689 | localVect2[2] = -localVect2[2]; | |
690 | }; | |
691 | Double_t normVect2 = TMath::Sqrt(localVect2[0]*localVect2[0]+ | |
692 | localVect2[1]*localVect2[1]+ | |
693 | localVect2[2]*localVect2[2]); | |
694 | Double_t axisX[3] = {1,0,0}; | |
695 | Double_t cosangleTorusSeg = (localVect2[0]*axisX[0]+ | |
696 | localVect2[1]*axisX[1]+ | |
697 | localVect2[2]*axisX[2])/normVect2; | |
698 | Double_t angleTorusSeg = TMath::ACos(cosangleTorusSeg)*TMath::RadToDeg(); | |
699 | TGeoRotation rotTorus("",angleRot1*TMath::RadToDeg(), | |
700 | angleRotDiag*TMath::RadToDeg(), | |
701 | 45-angleTorusSeg+rotation); | |
702 | //180-angleTorusSeg+rotation); | |
703 | rotTorus.MultiplyBy(&rotTorusToZ, kTRUE); | |
704 | rotTorus.MasterToLocalVect(vect2, localVect2); | |
705 | if (localVect2[1]<0) { | |
706 | localVect2[0] = -localVect2[0]; | |
707 | localVect2[1] = -localVect2[1]; | |
708 | localVect2[2] = -localVect2[2]; | |
709 | }; | |
710 | normVect2 = TMath::Sqrt(localVect2[0]*localVect2[0]+ | |
711 | localVect2[1]*localVect2[1]+ | |
712 | localVect2[2]*localVect2[2]); | |
713 | Double_t axisY[3] = {0,1,0}; | |
714 | Double_t cosPhi = (localVect2[0]*axisY[0]+localVect2[1]*axisY[1]+ | |
715 | localVect2[2]*axisY[2])/normVect2; | |
716 | Double_t torusPhi1 = TMath::ACos(cosPhi); | |
717 | Double_t torusR = (length/2)/TMath::Sin(torusPhi1); | |
718 | torusPhi1 = torusPhi1*TMath::RadToDeg(); | |
719 | Double_t perpLength = TMath::Sqrt(torusR*torusR-length*length/4); | |
720 | Double_t localTransT[3] = {-perpLength,0,0}; | |
721 | Double_t globalTransT[3]; | |
722 | rotTorus.LocalToMasterVect(localTransT, globalTransT); | |
723 | TGeoTranslation transTorus("",cx+globalTransT[0],cy+globalTransT[1], | |
724 | cz+globalTransT[2]); | |
725 | ||
726 | TGeoCombiTrans *combiTorus = new TGeoCombiTrans(transTorus, rotTorus); | |
727 | ||
728 | //================================================= | |
729 | // Create the segment and add it to the mother volume | |
730 | TGeoVolume *vCableSegT = CreateCylSegment(torusPhi1, torusR); | |
731 | p2Vol->AddNode(vCableSegT, p2, combiTorus); | |
732 | ||
733 | if (fDebug) { | |
734 | printf("---\n Cable segment points : "); | |
735 | printf("%f, %f, %f\n",coord1[0], coord1[1], coord1[2]); | |
736 | printf("%f, %f, %f\n",coord2[0], coord2[1], coord2[2]); | |
737 | }; | |
738 | ||
108bd0fe | 739 | if (ct) *ct = combiTorus; |
7a82301d | 740 | return vCableSegT; |
5d7a6c6d | 741 | } |
b7943f00 | 742 | |
7a82301d | 743 | |
b7943f00 | 744 | //________________________________________________________________________ |
745 | TGeoVolume *AliITSv11GeomCableFlat::CreateSegment( Double_t *coord1, | |
7a82301d | 746 | Double_t *coord2, |
747 | Double_t *localVect1, | |
748 | Double_t *localVect2 ) | |
b7943f00 | 749 | { |
750 | ||
751 | //================================================= | |
752 | // Calculate segment "deformation" | |
753 | Double_t dx = coord2[0]-coord1[0]; | |
754 | Double_t dy = coord2[1]-coord1[1]; | |
755 | Double_t dz = coord2[2]-coord1[2]; | |
756 | Double_t length = TMath::Sqrt(dx*dx+dy*dy+dz*dz); | |
757 | ||
758 | Double_t cosTheta1 = -1./TMath::Sqrt( 1 + localVect1[0]*localVect1[0] | |
759 | /localVect1[2]/localVect1[2] ); | |
760 | Double_t cosTheta2 = 1./TMath::Sqrt( 1 + localVect2[0]*localVect2[0] | |
761 | /localVect2[2]/localVect2[2] ); | |
762 | if (localVect1[2]<0) cosTheta1 = -cosTheta1; | |
763 | if (localVect2[2]<0) cosTheta2 = -cosTheta2; | |
764 | ||
765 | Double_t dL1 = 0.5*fWidth*TMath::Tan(TMath::ACos(cosTheta1)); | |
766 | Double_t dL2 = 0.5*fWidth*TMath::Tan(TMath::ACos(cosTheta2)); | |
767 | if (localVect1[0]<0) dL1 = - dL1; | |
768 | if (localVect2[0]<0) dL2 = - dL2; | |
769 | //--- | |
770 | Double_t cosPhi1 = -1./TMath::Sqrt( 1 + localVect1[1]*localVect1[1] | |
771 | /localVect1[2]/localVect1[2] ); | |
772 | Double_t cosPhi2 = 1./TMath::Sqrt( 1 + localVect2[1]*localVect2[1] | |
773 | /localVect2[2]/localVect2[2] ); | |
774 | if (localVect1[2]<0) cosPhi1 = -cosPhi1; | |
775 | if (localVect2[2]<0) cosPhi2 = -cosPhi2; | |
776 | ||
777 | Double_t tanACosCosPhi1 = TMath::Tan(TMath::ACos(cosPhi1)); | |
778 | Double_t tanACosCosPhi2 = TMath::Tan(TMath::ACos(cosPhi2)); | |
779 | if (localVect1[1]<0) tanACosCosPhi1 = -tanACosCosPhi1; | |
780 | if (localVect2[1]<0) tanACosCosPhi2 = -tanACosCosPhi2; | |
781 | ||
108bd0fe | 782 | Double_t dl1 = 0.5*fThick*tanACosCosPhi1*0.99999999999999; |
783 | Double_t dl2 = 0.5*fThick*tanACosCosPhi2*0.99999999999999; | |
784 | // 0.9999999999999 is for correcting dawn problems in TGeo... | |
b7943f00 | 785 | //================================================= |
786 | // Create the segment | |
787 | TGeoArb8 *cableSeg = new TGeoArb8(fThick/2); | |
788 | cableSeg->SetVertex( 0, -fWidth/2, -length/2 - dL1 + dl1); | |
531d6cdc | 789 | cableSeg->SetVertex( 1, -fWidth/2, length/2 + dL2 - dl2); |
b7943f00 | 790 | cableSeg->SetVertex( 2, fWidth/2, length/2 - dL2 - dl2); |
531d6cdc | 791 | cableSeg->SetVertex( 3, fWidth/2, -length/2 + dL1 + dl1); |
b7943f00 | 792 | cableSeg->SetVertex( 4, -fWidth/2, -length/2 - dL1 - dl1); |
531d6cdc | 793 | cableSeg->SetVertex( 5, -fWidth/2, length/2 + dL2 + dl2); |
b7943f00 | 794 | cableSeg->SetVertex( 6, fWidth/2, length/2 - dL2 + dl2); |
531d6cdc | 795 | cableSeg->SetVertex( 7, fWidth/2, -length/2 + dL1 - dl1); |
b7943f00 | 796 | |
108bd0fe | 797 | TGeoMedium *airSDD = gGeoManager->GetMedium("ITS_AIR$"); |
b7943f00 | 798 | TGeoVolume *vCableSeg = new TGeoVolume(GetName(), cableSeg, airSDD); |
799 | ||
800 | // add all cable layers | |
801 | for (Int_t iLay=0; iLay<fNlayer; iLay++) { | |
802 | ||
803 | Double_t dl1Lay = 0.5*fLayThickness[iLay]*tanACosCosPhi1; | |
804 | Double_t dl2Lay = 0.5*fLayThickness[iLay]*tanACosCosPhi2; | |
805 | ||
806 | Double_t ztr = -fThick/2; | |
807 | for (Int_t i=0;i<iLay; i++) ztr+= fLayThickness[i]; | |
808 | ztr+= fLayThickness[iLay]/2; | |
809 | ||
810 | Double_t dl1LayS = ztr*tanACosCosPhi1; | |
811 | Double_t dl2LayS = ztr*tanACosCosPhi2; | |
812 | ||
813 | TGeoArb8 *lay = new TGeoArb8(fLayThickness[iLay]/2); | |
814 | lay->SetVertex( 0, -fWidth/2, -length/2 - dL1 + dl1Lay - dl1LayS); | |
531d6cdc | 815 | lay->SetVertex( 1, -fWidth/2, length/2 + dL2 - dl2Lay + dl2LayS); |
b7943f00 | 816 | lay->SetVertex( 2, fWidth/2, length/2 - dL2 - dl2Lay + dl2LayS); |
531d6cdc | 817 | lay->SetVertex( 3, fWidth/2, -length/2 + dL1 + dl1Lay - dl1LayS); |
b7943f00 | 818 | lay->SetVertex( 4, -fWidth/2, -length/2 - dL1 - dl1Lay - dl1LayS); |
531d6cdc | 819 | lay->SetVertex( 5, -fWidth/2, length/2 + dL2 + dl2Lay + dl2LayS); |
b7943f00 | 820 | lay->SetVertex( 6, fWidth/2, length/2 - dL2 + dl2Lay + dl2LayS); |
531d6cdc | 821 | lay->SetVertex( 7, fWidth/2, -length/2 + dL1 - dl1Lay - dl1LayS); |
b7943f00 | 822 | TGeoVolume *vLay = new TGeoVolume("vCableSegLay", lay, fLayMedia[iLay]); |
823 | vLay->SetLineColor(fLayColor[iLay]); | |
824 | ||
825 | if (fTranslation[iLay]==0) | |
826 | fTranslation[iLay] = new TGeoTranslation(0, 0, ztr); | |
827 | vCableSeg->AddNode(vLay, iLay+1, fTranslation[iLay]); | |
828 | }; | |
829 | ||
7a82301d | 830 | vCableSeg->SetVisibility(kFALSE); |
831 | return vCableSeg; | |
832 | } | |
833 | ||
834 | ||
835 | //________________________________________________________________________ | |
836 | TGeoVolume *AliITSv11GeomCableFlat::CreateCylSegment(Double_t &phi, | |
837 | Double_t &r) | |
838 | { | |
839 | ||
840 | Double_t phi1 = 360-phi; | |
841 | Double_t phi2 = 360+phi; | |
842 | ||
843 | Double_t rMin = r-fThick/2; | |
844 | Double_t rMax = r+fThick/2; | |
845 | //================================================= | |
846 | // Create the segment | |
847 | ||
848 | TGeoTubeSeg *cableSeg = new TGeoTubeSeg(rMin, rMax, fWidth/2, | |
849 | phi1, phi2); | |
108bd0fe | 850 | TGeoMedium *airSDD = gGeoManager->GetMedium("ITS_AIR$"); |
7a82301d | 851 | TGeoVolume *vCableSeg = new TGeoVolume(GetName(), cableSeg, airSDD); |
852 | ||
853 | // add all cable layers | |
854 | for (Int_t iLay=0; iLay<fNlayer; iLay++) { | |
855 | ||
856 | Double_t ztr = -fThick/2; | |
857 | for (Int_t i=0;i<iLay; i++) ztr+= fLayThickness[i]; | |
858 | ||
859 | rMin = r + ztr; | |
860 | rMax = r + ztr + fLayThickness[iLay]; | |
861 | TGeoTubeSeg *lay = new TGeoTubeSeg(rMin, rMax, fWidth/2, | |
862 | phi1, phi2); | |
863 | ||
864 | TGeoVolume *vLay = new TGeoVolume("vCableSegLay", lay, fLayMedia[iLay]); | |
865 | vLay->SetLineColor(fLayColor[iLay]); | |
866 | ||
867 | vCableSeg->AddNode(vLay, iLay+1, 0); | |
868 | }; | |
869 | ||
870 | vCableSeg->SetVisibility(kFALSE); | |
b7943f00 | 871 | return vCableSeg; |
5d7a6c6d | 872 | } |
b7943f00 | 873 | |
874 | ||
7a82301d | 875 | //________________________________________________________________________ |
876 | TGeoVolume *AliITSv11GeomCableFlat::CreateBoxSegment( Double_t *coord1, | |
877 | Double_t *coord2) | |
878 | { | |
879 | ||
880 | //================================================= | |
881 | // Create a segment for the case it is a simple box | |
882 | Double_t dx = coord2[0]-coord1[0]; | |
883 | Double_t dy = coord2[1]-coord1[1]; | |
884 | Double_t dz = coord2[2]-coord1[2]; | |
885 | Double_t length = TMath::Sqrt(dx*dx+dy*dy+dz*dz); | |
886 | ||
887 | TGeoBBox *cableSeg = new TGeoBBox(fWidth/2, length/2, fThick/2); | |
888 | ||
108bd0fe | 889 | TGeoMedium *airSDD = gGeoManager->GetMedium("ITS_AIR$"); |
7a82301d | 890 | TGeoVolume *vCableSeg = new TGeoVolume(GetName(), cableSeg, airSDD); |
891 | ||
892 | // add all cable layers | |
893 | for (Int_t iLay=0; iLay<fNlayer; iLay++) { | |
894 | ||
895 | Double_t ztr = -fThick/2; | |
896 | for (Int_t i=0;i<iLay; i++) ztr+= fLayThickness[i]; | |
897 | ztr+= fLayThickness[iLay]/2; | |
898 | ||
899 | TGeoBBox *lay = new TGeoBBox(fWidth/2, length/2, fLayThickness[iLay]/2); | |
900 | ||
901 | ||
902 | TGeoVolume *vLay = new TGeoVolume("vCableSegLay", lay, fLayMedia[iLay]); | |
903 | vLay->SetLineColor(fLayColor[iLay]); | |
904 | ||
905 | if (fTranslation[iLay]==0) | |
906 | fTranslation[iLay] = new TGeoTranslation(0, 0, ztr); | |
907 | vCableSeg->AddNode(vLay, iLay+1, fTranslation[iLay]); | |
908 | }; | |
909 | ||
910 | vCableSeg->SetVisibility(kFALSE); | |
911 | return vCableSeg; | |
912 | } | |
913 | ||
b7943f00 | 914 | //________________________________________________________________________ |
915 | void AliITSv11GeomCableFlat::SetNLayers(Int_t nLayers) { | |
916 | // Set the number of layers | |
917 | if((nLayers>0) &&(nLayers<=fgkCableMaxLayer)) { | |
918 | ||
919 | fNlayer = nLayers; | |
920 | for (Int_t i=0; i<fgkCableMaxLayer ; i++) { | |
921 | fLayThickness[i] = 0; | |
922 | fTranslation[i] = 0; | |
923 | fLayColor[i] = 0; | |
924 | fLayMedia[i] = 0; | |
925 | }; | |
926 | }; | |
5d7a6c6d | 927 | } |
b7943f00 | 928 | |
929 | //________________________________________________________________________ | |
930 | Int_t AliITSv11GeomCableFlat::SetLayer(Int_t nLayer, Double_t thick, | |
931 | TGeoMedium *medium, Int_t color) { | |
932 | // Set the layer number nLayer | |
933 | if ((nLayer<0)||(nLayer>=fNlayer)) { | |
934 | printf("Set wrong layer number of the cable\n"); | |
935 | return kFALSE; | |
936 | }; | |
937 | if (nLayer>0) | |
938 | if (fLayThickness[nLayer-1]<=0) { | |
939 | printf("AliITSv11GeomCableFlat::SetLayer():" | |
940 | " You must define cable layer %i first !",nLayer-1); | |
941 | return kFALSE; | |
942 | }; | |
943 | ||
944 | Double_t thickTot = 0; | |
945 | for (Int_t i=0; i<nLayer; i++) thickTot += fLayThickness[i]; | |
946 | thickTot += thick; | |
947 | if (thickTot-1e-10>fThick) { | |
948 | printf("Can't add this layer, cable thickness would be higher than total\n"); | |
949 | return kFALSE; | |
950 | }; | |
951 | ||
952 | fLayThickness[nLayer] = thick; | |
953 | fLayMedia[nLayer] = medium; | |
954 | fLayColor[nLayer] = color; | |
955 | fTranslation[nLayer] = 0; | |
956 | return kTRUE; | |
5d7a6c6d | 957 | } |